Every review I have seen is a real love-fest with the book. They also mention he goes into great detail on the biological mechanisms behind what he espouses in a section of the book- which is good! I am still wondering what the scientific detail is in the biological explanations and elsewhere. Are there scientific references for what he states that I can look at? Or is it a normal book where the author just states (important) things without reference?
I also wanted to know what his stance is on saturated fat. (Cordain has always been anti-saturated fat, but slowly weakening his stance)
He has a (long) list of references at the end of the book, but he doesn't cite within the text itself. (e.g. He'll just say "Cortisol causes gluconeogenesis" but doesn't cite which reference you could find it in)
If you listen to his podcasts he goes into great scientific detail and he has indeed mentioned that he has a reference list for his book, he is a biochemist and a researcher after all. His stance on saturated fat is lighter than Cordain's and he has said that in the beginning he and Cordain thought that at least palmitic acid is a problem but later they realized that it may not matter. He has said that the PaNu rationale for eating more saturated fats to reduce oxidative stress and inflammation while keeping in a state of ketosis makes a lot of sense, and at one point he mentioned that he was going to buy big bags of beef fat and render it into tallow.
Diane over at Balanced Bites has an excellent review
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